Year	Number
1996	50.5
1998	49.7512435913086
2000	29.3532333374023
2002	48.2587051391602
2003	41.2935333251953
2004	43.269229888916
2005	40.3846168518066
2006	47.1153831481934
2007	44.711540222168
2008	46.6346168518066
2009	45.0236968994141
2010	41.2322273254395
2011	44.6009407043457
2012	41.3145523071289
2013	41.3145523071289
2014	47.7832527160645
2015	45.8128089904785
2016	44.8275871276855
2017	42.3645324707031
2018	37.3786392211914
2019	32.3671493530273
2020	33.3333320617676
2021	34.2995185852051
2022	32.3671493530273